Home / 4,780.16-7,163.52-4,517.28

Finding the Fourth Proportional to 4,780.16, 7,163.52 and 4,517.28

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Solution

The fourth proportional to 4,780.16, 7,163.52 and 4,517.28 is: 6,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.16 : 7,163.52 = 4,517.28 : x
  2. Step 2: Convert to fraction form
    4,780.16/7,163.52 = 4,517.28/x
  3. Step 3: Cross multiply
    4,780.16x = 7,163.52 × 4,517.28
  4. Step 4: Simplify right side
    4,780.16x = 32,359,625.63
  5. Step 5: Solve for x
    x = 32,359,625.63/4,780.16
  6. Step 6: Final answer
    x = 6,769.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.